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TIL That most female cheetahs go their entire lives without raising a single cub to maturity. The species is dependent on "supermoms" that are particularly adept at raising cubs. One such supermom, Eleanor, has mothered at least 10% of all adult cheetahs in the southern Serengeti.

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k6rm TIL there are more black men in the prison system today than slaves in 1850
VML1k TIL: When Beethoven's Ninth Symphony premiered, it was so new and innovative that some music critics didn't accept it, and one even called it "monstrous and tasteless."
RpRl TIL - By Norwegian law every cow has its own mattress to sleep on. If the cows are more comfortable, they do actually produce more milk.
9YybX TIL that magenta is a color that doesn’t actually exist in nature.
E1NPx TIL That nematode, the simplest worm, despite having only 302 neurons that were comprehensively mapped and researched, still exhibits a complex range of behavior, emergence of which is still not well understood. Even the basic movement can't be fully explained.